Numerical: Jurnal Matematika dan Pendidikan Matematika

Problem Based Learning Model Using Powerpoint Animation Media on Learning Outcomes and Cooperation Attitudes

Reni Kurniasih — 2023-09-01

Based on the problem, the data shows that elementary school students have learning outcomes and cooperative attitudes. This research was written to describe the effect of the third-grade students' understanding of Merdeka Elementary School before and after using the Problem-Based Learning model with PowerPoint animation media on learning outcomes and cooperative attitudes toward fractional operations material. The research method used is quantitative research. This study uses a control group pre-test and post-test design. The data collection techniques used in this study were tests, questionnaires, observation, and documentation. Data analysis techniques were performed using statistical analysis consisting of normality tests, homogeneity tests, paired sample t-tests, independent sample t-tests, and ANOVA tests. The study showed better student learning outcomes after applying the problem-based learning model with PowerPoint animation media. The cooperative attitude of students after applying the problem-based learning model with PowerPoint animation media is better than before using it. Meanwhile, learning outcomes and cooperative attitudes after using the problem-based learning model with PowerPoint animation media were better than the cooperative learning model with fruit media. This study proves the Problem-Based Learning model with PowerPoint animation media can improve learning outcomes and students' cooperative attitudes.

Learning Motivation Viewed from Goal Orientation, Self-Confidence Control, Test Anxiety and Student Assignment Value

Muhammad Rafli Faishal Wardana — 2023-12-29

Students’ confidence will be more curious, willing to try new things, and take chances. Self-confidence is a state of mind where a person feels confident in his ability to carry out various tasks and dares to voice his opinion in front of others. The importance of students' work as a learning outcome depends on their level of self-confidence. This study aims to determine whether there is a significant influence between learning motivation and learning outcomes in mathematics. This study uses a quantitative approach using regression analysis. The population in this study were all grade 9 students at SMPN 11 Pasuruan City, while the sample in this research was 118 grade 9 students. The sampling technique used was random sampling. Learning motivation data was collected through a learning motivation questionnaire while learning outcomes data was taken from UAS score data at the school. The data was then analyzed using the t-test. The results showed a significant influence between learning motivation and students' mathematics learning outcomes. The study results prove that goal orientation, control beliefs, and bag anxiety strongly influence the value of the task; therefore, to foster a self-confident attitude, students must have a target score or grade to achieve. These three things influence students' learning motivation to influence the value of assignments. The motivation to learn mathematics in class IX of SMP Negeri 11 Pasuruan City.

Influence of Problem-Based Learning Model on Students’ Critical Thinking Ability and Learning Motivation in Mathematics Learning

Mayshe Baidannur Siregar — 2023-11-11

Low critical thinking skills and student learning motivation, including learning that occurs in schools, which is still teacher-centred. The students' critical thinking skills are still relatively low, which is caused by mathematics teachers who still apply the principle of transfer of knowledge. This study aims to determine the effect of the problem-based learning (PBL) model on critical thinking skills and students' motivation to learn mathematics. This type of research is a quasi-experiment. The design model uses a pre-test-post-test control group design. The population of this study was all students of class VII SMP Kesatria Medan in the 2023/2024 academic year, consisting of 30 students. Sampling was conducted using a random sampling technique, and the research sample was obtained, namely VII-1, totalling 16 students as the control class and 14 students as VII-2 as the experimental class. The research instrument used tests in the form of essays. Data analysis techniques used descriptive analysis, including normality tests, homogeneity tests and hypothesis tests, namely the t-test (paired sample t-test). The results of the study show the sig. (2-tailed) of 0.000 < 0.05, it can be concluded that students who get the problem-based learning model are better than students who use conventional learning models.

Decision Support System in Determining the Job Waiting Period for Graduates of Unimed Using the Mamdani Method of Fuzzy Logic

Rani Aswita Ginting — 2023-12-25

During the job search period as an educated unemployed person, it takes time to be accepted into the world of work. The time required to look for a job is a matter of uncertainty. So, we need a system that can be used as a reference in determining the job waiting period for graduates. The graduate job waiting period is when someone has not found a job after graduation. Several factors influence this. In this research, the factors used as job waiting period variables are GPA, length of study and achievement. Every graduate certainly has a different job waiting period. This research aims to determine the job waiting period for Graduates of Unimed by designing a decision support system using the Fuzzy Mamdani method. This research uses quantitative methods. Data was obtained by distributing questionnaires to Graduates of Unimed. It is hoped that the decision support system for determining the job waiting period can encourage students, especially Universitas Negeri Medan students, to improve their quality before entering the job. With the help of Matlab software, a decision support system using the Mamdani method can be used to determine the waiting period, where the result is that the job waiting period for Graduates of Unimed is fast in the 0-3 month category.

Senior High School Students' Strategies for Solving Mathematical Problems Based on Their Personality Type

Cahyani Nabila — 2023-12-22

Problem-solving ability is a crucial thing that every student needs. Indonesia is one of the countries that shows low mathematical problem-solving ability. The way to improve these abilities is to provide suitable problem-solving strategies and appropriate teaching and learning interactions for students. A suitable teaching method is to pay attention to the psychological aspect by observing the condition of students, one of which is by providing problem-solving strategies appropriate to personality types. This study uses the problem-solving strategy described by Herman and observes the personality types proposed by David Keirsey. This research aims to reveal the strategies students use in solving mathematical problems based on their personality type so that teachers can find suitable strategies for students. This research method uses a descriptive qualitative approach with total sampling. Class X students took a strategy test about linear equations with one variable totaling 3 questions and a personality type test by Keirsey totaling 70 questions. The results of this study indicate that students with Guardian & Artisan personalities tend to use an open-sentence strategy. Students with Rational personalities tend to use the guess & check strategy. And students with Idealist personalities tend to use tables.

Discovery Learning Model with Flipbook-interactive Media on Critical Thinking Ability and Desire to Know

Ida Nur Hasanah — 2023-12-28

This investigation was motivated by the low levels of critical thinking and desire to know among elementary school pupils. This study describes the disparities in fourth-grade students' comprehension of square and rectangular shapes before and after using the Flipbook-interactive media. The method of investigation employed is quantitative research. This study employs a Pre-test and Post-test design with a control group. This study employed assessments, questionnaires, observations, and documentation for data collection. Statistical analysis consisting of normality tests, homogeneity tests, paired sample t-tests, independent sample t-tests, and ANOVA tests was used to perform data analysis techniques. The study results showed that students' critical thinking skills obtained a sig. of 0.000 > 0.05, Ha is accepted, and Ho is rejected, so students' critical thinking after using the Flipbook-interactive media is better than before using it. In the discovery learning paradigm with Flipbook-interactive media, students have a more inquisitive disposition than before. Meanwhile, critical thinking skills and a desire to know obtained F 2.916 with a sig. equal to 0.000 > 0.05, then Ha is accepted and Ho is rejected, so critical thinking skills and desire to know are better after using the Flipbook-interactive media than the cooperative model with visual media.

Problem-based Learning Models Assisted by Interactive Worksheets on Mathematical Communication Skills in Grade V Elementary School

Tania Irni Dewianti — 2023-12-25

The mathematical communication skills of students in elementary schools are still deficient. This happens because students' mathematical communication skills are not developed in elementary schools. In this study, the problem-based learning model (PBL) is applied with the help of interactive worksheets. The PBL model improves students' communication skills in elementary schools. The research objective was to determine the effect of applying the PBL model assisted by interactive worksheets on students' mathematical communication abilities. This research is a quantitative research using quasi-experimental with a post-test-only design. The population of this study was all elementary school students. The sampling technique used non-probability, namely purposive sampling, in which two class IV samples were divided into two groups. The experimental group had 30 students treated by PBL model assisted by interactive worksheets, and the control group was not treated with 30 students. The instrument in this study was a test of mathematical communication skills on fractions. Before using the research instrument, it was tested through validation and reliability processes, then data analysis techniques were carried out to test the hypothesis by previously carrying out the requirements analysis test, namely the normality and homogeneity tests. The data obtained was calculated using the Levene Test with the SPSS 23.0 application with normal and homogeneous distribution results. The results of this study show the influence of the application of PBL models assisted by interactive worksheets on the students’ mathematical communication abilities in elementary schools.

Analysis of Student Errors in Solving Mathematics Problems Based on Newman Procedure and Providing Scaffolding

Aulia Adytia Putri — 2023-12-25

This error analysis can help teachers identify errors often made by students and provide appropriate solutions to overcome these errors. By knowing and understanding the mistakes students make, ways can be found to minimize or find the right solution to reduce these mistakes. This research aims to describe how students make errors based on Newman's procedural error analysis in solving SPLDV questions and providing Scaffolding based on the cause and type of error to reduce these errors. This research is a qualitative descriptive study. The research subjects were 9 class VIII students at SMPN 15 Bandung. Three data analysis techniques are used, namely reducing data, presenting data and drawing conclusions. Triangulation techniques were used for the validity of the data. The research results show that most students who make mistakes in solving SPLDV questions are at the transformation stage, amounting to 76%. The forms of Scaffolding given are types one, two and three; the processing stage is 55%. The forms of Scaffolding provided are type two and type three; the encoding stage is 67%, and the form of Scaffolding provided was type two. Meanwhile, the Stage where students made the fewest mistakes was the reading stage at 24%; the form of Scaffolding given was type two, and the understanding stage was 40%; the Scaffolding given was type one and type two.

The Process of Students' Mathematical Literacy in Solving System of Two Variables Linear Equation Based on Level of Ability

Siti Nor Jamilatul Atuni — 2023-12-28

Mathematical literacy is very important to master because with mathematical literacy problems that exist in everyday life are easy to solve. Material that is closely related to everyday problems is a system of two-variable linear equations such as calculating the price of a grocery item and so on. This research was conducted to explore the process of mathematical literacy based on high, medium, and low abilities using a qualitative approach. To test this research, the researchers involved three class VIII students who obtained the results of tests, interviews, and documentation. From this test it was found that there were differences in the process of mathematical literacy. It can be seen that only S3 is able to meet the four indicators of mathematical literacy. While S2 and S1 are only able to fulfill one to two indicators of mathematical literacy. So for subsequent research, it is expected to be able to develop learning models to improve mathematical literacy skills.Mathematical literacy is very important to master because with mathematical literacy problems that exist in everyday life are easy to solve. Material that is closely related to everyday problems is a system of two-variable linear equations such as calculating the price of a grocery item and so on. This research was conducted to explore the process of mathematical literacy based on high, medium, and low abilities using a qualitative approach. To test this research, the researchers involved three class VIII students who obtained the results of tests, interviews, and documentation. From this test it was found that there were differences in the process of mathematical literacy. It can be seen that only S3 is able to meet the four indicators of mathematical literacy. While S2 and S1 are only able to fulfill one to two indicators of mathematical literacy. So for subsequent research, it is expected to be able to develop learning models to improve mathematical literacy skills.

Problem-based Learning Model Assisted by Interactive Animation Videos on Numeracy Ability in Spatial Building Materials

Sintia Febiani — 2023-12-25

Students in the era of school digitalization need numeracy skills. Numeracy ability is related to solving a problem. The Problem-based Learning (PBL) model is suitable for solving a problem with the help of interactive animated videos. This study aims to determine whether the PBL model assisted by interactive animated videos influences students' numeracy abilities. The research method used is quantitative in the form of an actual experiment. The sample in this study was students in class VIIB and VIIC, who were chosen randomly. The data collection techniques used are documentation and tests. The data analysis techniques used are normality test, homogeneity test and independent sample test. The research results show that the calculated t value > t table where t calculated = 8.132 and t table = 1.697. This means there is a significant difference in the average student numeracy ability between the experimental and control groups. The PBL model was assisted by interactive animated videos in solving questions on spatial building materials. Students were less able to analyze the information presented, less able to interpret the data collection, and not yet able to make conclusions.

Development of AKM-Based Mathematics Questions in the Adiwiyata Context to Train Students' Numeracy Skills

Taufiqoh Taufiqoh — 2023-12-30

This study aims to produce AKM-based mathematics questions in the Adiwiyata context that are valid and practical and potentially affect the numeracy abilities of class X and XI MA students. The research method used is a development studies type design, which consists of two stages: the preliminary and formative evaluation. Data collection techniques used were walk-throughs, interviews, questionnaires and tests. The validity of the questions is obtained from the results of the validator's assessment in terms of content, construct, and language at the expert review stage and the clarity and readability of the questions based on students' comments and suggestions at the one-to-one stage. The practicality of the questions is obtained at the small group stage based on the questionnaire results. The potential effect of questions is obtained at the field test stage based on test and questionnaire results. This research produced 30 mathematics questions based on AKM contexts that were valid and practical and potentially affected numeracy abilities. The results of testing mathematics questions based on AKM in the Adiwiyata context showed that 44.87% of the 156 (26 students x 6 questions) analyzed answer items were identified as correct answers. As many as 44.23% of the 52 subjects (26 students x 2 questions) could solve knowing-level questions. As many as 48.7% of 78 subjects (26 students x 3 questions) could solve questions at the applying cognitive level, and 42.3% of 26 (26 students x 1 question) subjects could solve questions at the cognitive reasoning level.